//
//  Utility.h
//  HSEDU
//
//  Created by oceans on 2018/7/13.
//  Copyright © 2018年 xvv. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Utility : NSObject

+ (NSString *)randLetters:(int)num onlyLower:(BOOL)onlyLower;
+ (NSString*)uuid;
+ (BOOL)checkMobile:(NSString*)mobile;
+ (BOOL)checkPassword:(NSString *)password;
+ (void)push:(NSDictionary *)params;

+ (void)showPayment:(int)class_id;
@end
